Online interface for capillary calaphorestic hydride generated atomic spectrofluorimetry

An atomic fluorescence spectroscopy, hydride generation technology, applied in fluorescence/phosphorescence, material excitation analysis, material analysis by electromagnetic means, etc., to achieve the effects of easy transmission, short connecting pipelines, and novel design

Inactive Publication Date: 2003-06-18
NANKAI UNIV
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  • Summary
  • Abstract
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  • Claims
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Problems solved by technology

[0003] In view of the above situation, the present invention solves the problem of capillary electrophoresis stable electrical circuit and atomic fluorescence spectrometry needs to convert analyte into hydride, and provides an online interface for capillary electrophoresis hydride generation atomic fluorescence spectrometry

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  • Online interface for capillary calaphorestic hydride generated atomic spectrofluorimetry
  • Online interface for capillary calaphorestic hydride generated atomic spectrofluorimetry
  • Online interface for capillary calaphorestic hydride generated atomic spectrofluorimetry

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Embodiment 1

[0011] Such as figure 1 , 2 As shown, the present invention mainly comprises: four-way 1, thin internal diameter tee 5, large internal diameter three-way 7 and gas-liquid separator 6 and connecting pipe; Tee 7, gas-liquid separator 6 are connected. Among them, the cross 1 is a cylinder with a height of 5 mm and a diameter d of 25 mm. In the middle, there are two passages 12 passing through the center and perpendicular to each other along the diameter direction, with a diameter of 0.5 mm. Teflon bolts 13 with holes in the center are respectively installed on the outer ends of the channels 12, and the distance between the inner end surfaces of two symmetrical bolts 13 is d 1 is 6 mm. The bolts 13 respectively fix the capillary 2, the platinum electrode 8, the connection pipe of the thin inner diameter tee 5 and the modification fluid transmission pipe 3 respectively. It should be noted that the port of the four-way 1 opposite to the outlet of the capillary 2 is the outlet of...

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Abstract

The co-using interface of the method of atom fluorescence spectrum and generation of the hybride in capillary electrophoresis relates to an apparatus thereof. This interface provides the key solutios that the capillary electrophoresis needs stable electric circuit, and that the method of atom fluorescence spectrum needs to convert analysed agent into hydride. The interface includes cross passage 1, T passage with small inner diameter 5, T passage with large inner diameter 7 and gas-liquid separator 6, cross passage 1 connected in turn to T passage with small inner diameter 5, T passage with large inner diameter 7 and gas-liquid separator 6. The interface has ingenious and novel design, having such features as small dead volume, short connecting piping and simple and practical operation.

Description

technical field [0001] The invention relates to an interface device for the combined use of analytical chemical instruments, in particular to an interface device for the on-line combined use of capillary electrophoresis and atomic fluorescence spectrometry. technical background [0002] The environmental biological behavior of an element depends strictly on its existing form, so speciation analysis of specific species as a determination element has attracted more and more attention. The speciation analysis process generally includes chromatographic separation and atomic light (mass) spectrometry detection. Commonly used chromatographic separation techniques include gas chromatography, liquid chromatography, and capillary electrophoresis. Compared with gas chromatography and liquid chromatography, capillary electrophoresis has the advantages of high resolution, short separation time and small amount of sample reagent. Common detection methods include atomic absorption spect...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N21/64G01N27/447G01N35/10
Inventor 严秀平尹学博江焱何锡文
Owner NANKAI UNIV
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